In case you can not access the Firefox store, you can also download the ".xpi" add-on
from this link.

In order to install the C.T.Anllares - Hospital del Sil, León Air Quality Widget on your favorite iPhone or iPod device,
just launch the internet browser from your device and open the web page:
"
http://ios.aqicn.org/?10805".

Or just scan this QR-code:

Then click on this icon to install the widget as an application
directly accessible from your iPhone homescreen.

In order to install the C.T.Anllares - Hospital del Sil, León Air Quality Widget on your Windows Desktop,
just download the "C.T.Anllares - Hospital del Sil, León.gadget" and let you be guided through the Windows installer.